Mode of Operation 3 provides multiplexing to the host port of a single message from all peripheral ports. Single messages from each peripheral port are sent to the host device only when a request for messages command is received. When the host device sends the request for messages command, the multiport sends a complete message from each peripheral port to the host device preceded by a port identification number corresponding to the port from which the message came. Complete messages are sent to the host port in a
Mode of Operation 4 provides multiplexing to the host port of all messages from a selected port. You select a specific peripheral port and all complete messages in the buffer for that port are transmitted to the host device automatically with each message preceded by a port identification number.
Mode of Operation 5 provides multiplexing to the host port of a single message from a selected port. You select a specific peripheral port and a single message from that port is sent to the host device when the host device requests it with each message preceded by a port identification code.
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